Uso De Aditivos Alimentares Para Peixes Ornamentais

Gomes, Veruska Dilyanne Silva; Cavalcanti, Cácio Ribeiro; Batista, João Marcos Monteiro; Almeida, Jorge Luiz Santos de; Santos, Francisco Glauco de Araújo; Filho, José Jordão

doi:10.30945/rcr-v23i1.3741

Cited by 3 publications

(4 citation statements)

References 11 publications

(22 reference statements)

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“…Our enzymatic evaluations were conducted to verify the action of HEPB in specimens of B. splendens. The beneficial effect provided using plants in fish feeding is one of the reasons for the inclusion of these actives (Oetting et al, 2006;do Carmo Ota et al, 2019;Gomes et al, 2021). The mode of action of these plants and their derivatives are attributed to the presence of many components in the active principle (Awad et al, 2013) this mode of action is related to the assimilation of dietary compounds (Vanegas-Espinoza et al, 2019),the presence of anthocyanins (Guimarães et al, 2012), and the presence of betalains (Abreu and Reis, 2020).…”

Section: Discussionmentioning

confidence: 99%

“…The knowledge on the importance of natural dyes, such as carotenoids, and their role in coloring and eliminating free radicals is still very preliminary (Hõrak et al, 2006). However, it has been reported that they influence the healthy functioning of systems and the prevention of oxidation (Gomes et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, betta fish displays a variety of colors that are not sensitive to pH variations (6.0 − 8.0), which makes it a highly sought-after species among other aquarium species (Froese et al, 2021). One of the ways to maintain and improve the color of these fish species is through the use of pigments in their food (Maiti et al, 2017), which prospects natural sources as in growing demand (Gomes et al, 2021) to improve the appearance of ornamental fish intended for aquariums by intensifying their coloration (Gouveia et al, 2003;Eaton et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

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Hydroalcoholic extract of pitaya (Hylocereus guatemalensis) supplied in the diet for blue Betta splendens and its effects on fish pigmentation

Gauer

Godoy

Oxford

et al. 2022

Preprint

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The experiment was conducted to evaluate the composition of the hydroalcoholic extract of pitaya bark (Hylocereus guatemalensis) and its effects on the diet of male blue Betta splendens concerning the content of digestive enzymes, liver metabolism, and activity antioxidant. The fish were supplemented with hydroalcoholic extract of pitaya bark (HEPB) at the concentrations of 0.24, 0.45, and 0.90 mg kg −1 of feed for 21 days. The inclusion of 0.24 and 0.45 mg kg −1 HEPB promoted the best results of zootechnical performance. The digestive activity showed an increase in alkaline phosphatase activity only when 0.45 mg kg −1 HEPB. The inclusion of 0.45 and 0.90 mg kg −1 HEPB promoted a decrease in hepatic ALT activity. An increase in CAT activity was observed in the skin of fish fed diets with added HEPB. Conclusion addition of HEPB is benefic for performance and have hepatoprotective.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Hydroalcoholic extract of pitaya (Hylocereus guatemalensis) supplied in the diet for blue Betta splendens and its effects on fish pigmentation

Gauer

Godoy

Oxford

et al. 2022

Preprint

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“…Although residue products have nutritional characteristics and bioactive compounds, adequate information is still being sought to add value to the production chain (Kumar et al, 2020). The inclusion of co-products in fish feed can be economically viable and ecologically acceptable (Gomes et al, 2021).…”

Section: Palavras-chavementioning

confidence: 99%

Low occurrence of Cryptosporidium canis in feces of dogs seroreactive for Leishmania spp.

Lemus¹,

Mourão²,

Ferrari³

et al. 2022

Semina: Ciênc. Agrár.

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In this study, we investigated the occurrence and characterized molecularly Cryptosporidium oocysts in feces of dogs seroreactive for Leishmania spp. We hypothesized that the clinical staging of canine visceral leishmaniasis (CVL) influences the occurrence and intensity of Cryptosporidium spp. oocyst shedding in feces from the canine host due to the immunosuppression induced by Leishmania infantum. Fecal samples from 101 dogs with anti-Leishmania spp. antibodies detected by Dual-Path Platform (DPP®) immunochromatographic test (Biomanguinhos) and/or enzyme-linked immunosorbent assay (Biomanguinhos) were concentrated by the centrifuge-sedimentation method in water-ethyl acetate. The sediments were submitted to the technique of negative staining with malachite green and observed under an optical microscope (400× magnification). The occurrence was 0.99% (95 confidence interval 0.00%- 2.93%). A single Cryptosporidium oocyst was found in one of the samples examined by microscopy, and the result was confirmed by nested-PCR. The amplicon sequence showed 100% genetic identity with Cryptosporidium canis. The dog presented the following clinical signs suggestive of CVL: cachexia, generalized alopecia, pale colored gingival mucosa, splenomegaly, and onychogryphosis. We conclude that there is no evidence that the oligosymptomatic and symptomatic clinical staging of dogs seroreactive for Leishmania spp. influenced the occurrence and intensity of C. canis oocyst shedding in the canine host.

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Fruit residues as diet ingredients for Symphysodon discus: nutrient digestibility

Honorato

Santos²,

Silva³

et al. 2022

Semina: Ciênc. Agrár.

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The selection of ingredients is an important aspect for diets formulation for fish in captivity. The use of fruit industry by-products can be an alternative for inclusion in diets for ornamental fish, as discus fish case, to improve health and reduction of production costs, further to reducing the environmental impacts of fruits industries residues. The objective the studies was to evaluate the bioavailability of fruit industry by-products in the diet for discus fish by coefficients of digestibility. The digestibility of three by-products: pineapple by-product, mango by-product, and passion fruit by-product were evaluated. Thirty-two discus fish (106 ± 26.6 g) were distributed in 4 tanks for feeding and fecal collection, constituting an experimental design in Latin square (4 diets test- x 4 periods of fecal collection x 4 replicates). The three by-products had digestibility coefficients above 80%, 70%, and 69% for dry matter, protein, and fat, respectively, being possible to use them as a source of these nutrients in diets for the discus fish. However, it was observed that the mango and passion fruit by-product had the lowest energy digestibility coefficient, with bioavailabilities less than 50% of utilization. The co-products of the fruit processing industry tested in this work have nutritional conditions to be used as food for root discs. The use of these co-products as food for ornamental fish can be an alternative use and value.

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Uso De Aditivos Alimentares Para Peixes Ornamentais

Cited by 3 publications

References 11 publications

Hydroalcoholic extract of pitaya (Hylocereus guatemalensis) supplied in the diet for blue Betta splendens and its effects on fish pigmentation

Hydroalcoholic extract of pitaya (Hylocereus guatemalensis) supplied in the diet for blue Betta splendens and its effects on fish pigmentation

Low occurrence of Cryptosporidium canis in feces of dogs seroreactive for Leishmania spp.

Fruit residues as diet ingredients for Symphysodon discus: nutrient digestibility

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